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Siemens 3RT2 Contactor, 24 V Coil, 3-Pole, 51 A, 22 kW 24 V, 3 NO, 400V

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RS Stock No.:
122-9461
Mfr. Part No.:
3RT2036-1AC20
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor

Coil Voltage

24 V

Number of Poles

3

Contact Voltage

400V

Contact Current

51A

Series

3RT2

Power Rating

22kW

Function

Motor Control

Mount Type

DIN Rail

Normal State Configuration

3 NO

Auxiliary Contact Configuration

1 NO/1 NC

Number of Auxiliary Contacts

2

Terminal Type

Screw Clamp

Control Circuit Voltage Uc

24 V

Contactor Application

Motor Control

Operational Current Ie

51A

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Width

130 mm

Standards/Approvals

CSA, EAC, RoHS, UKCA, UL, VDE, CCC

Depth

130mm

Length

114mm

Better World Product

Yes

Better World Claim

Low Carbon Manufacture

Pole and Throw Configuration

3PST

COO (Country of Origin):
DE

Siemens size S2, 3RT2 Series Contactor, 24V AC Coil Voltage, 51A Current Rating - 3RT2036-1AC20


This contactor is a versatile solution for industrial applications, designed to reliably switch electrical currents. With a compact size of 114mm in length, 55mm in width, and 130mm in depth, this 3-pole device accommodates a load voltage of up to 400V AC and a coil voltage of 24V AC. The Siemens contactor is manufactured with a low carbon footprint, aligning with sustainable practices.

Features & Benefits


• Capable of handling operational power up to 22kW

• Integrated auxiliary contacts improve functionality and control

• Suitable for a wide operating temperature range

• Designed for secure screw terminal connections

• DIN rail mounting simplifies installation in various environments

Applications


• Utilised for automation control in industrial machines

• Ideal for switching motors in manufacturing processes

• Effective in HVAC systems for reliable electrical control

• Used in pump systems to manage power distribution

• Used for lighting control in commercial facilities

What type of auxiliary contacts does it support?


It supports one normally open (NO) and one normally closed (NC) auxiliary contact, allowing for versatile configurations in control circuits.

How does this device perform in high-temperature environments?


It operates efficiently within a temperature range of -25°C to +60°C, making it suitable for environments with varying thermal conditions.

What are the power loss characteristics during operation?


The power loss is approximately 12W in a hot operating state, optimising energy performance during continuous operation.

Can it be used for DC applications?


Yes, it can handle DC currents, with a rating of 55A at 24V, making it versatile for various applications.

How do the contact ratings compare for different operational settings?


At AC-3 rating at 400V, it is rated for a contact current of 51A, while at AC-4, it supports a maximum of 41A, ensuring reliability across different operational scenarios.

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